User:InvalidOS/ShowComments.js

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Documentation for this user script can be added at User:InvalidOS/ShowComments. This user script seems to have an accompanying .css page at User:InvalidOS/ShowComments.css.

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importStylesheet('User:InvalidOS/ShowComments.css');

function filterNone()
{
    return NodeFilter.FILTER_ACCEPT;
}

// comment node NodeType is 8

function getCommentInfo()
{
    var comments = [[]];
    // Fourth argument, which is actually obsolete according to the DOM4 standard, is required in IE 11
    // Thanks stack overflow
    // var iterator = document.createNodeIterator(document.getElementById("mw-content-text"), NodeFilter.SHOW_COMMENT, filterNone, false);
    var el = document.getElementById("mw-content-text");
    // var curNode;
    /*
    while (curNode = iterator.nextNode())
    {
        var arrayToPush = [];
        arrayToPush[0] = curNode;
        arrayToPush[1] = curNode.textContent;
        comments.push(arrayToPush);
    }
    */
    
    var node;
    var push;
    
    // thanks to stack overflow for helping me find this
    
    for (var i = 0; i < el.childNodes.length; i++)
    {
        node = el.childNodes[i];
        push = [];
        if (node.nodeType === 8)
        {
            console.log("Node " + i.toString() +  "is a comment.");
            console.log("Node value: " + node.nodeValue.toString());
			pushArr = [node, node.nodeValue.toString()];
            comments.push(pushArr);
        }
        else
        {
            console.log("Node " + i.toString() +  "not a comment.");
        }
    }
    
    return comments;
}

$(document).ready(function()
{
	var commentInfo = getCommentInfo();
	for (x = 0; x < commentInfo.length; x++)
	{
		commentInfo[x][0].OuterHTML = '<span class="commentDisplay">&lt;!--' + commentInfo[x][1] + '--&rt;</span>';
	}
});

/*$(document).ready(renderComments);*/